give 15 cot A=8 find sin A and sec A
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15 cot a= 8
cot a= 8/15
=> p= 8
b= 15
Now by Pythagoras theorem,
hyp.square = perp.square + base. square
= 8. square+ 15.square
= 64+225
= 289
hyp = 17
Now, sin a= p/h= 8/17
sec a= b/h = 15/17
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